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September / Septiembre1997 | |
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February / Febrero 1998 | |
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August / Agosto 1998 | |
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June / Junio 1999 | |
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October / Octubre 2000 | |
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February / Febrero 2000 | |
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April / Abril 2001 | |
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May / Mayo 2002 | |
Dr. Juan F. Arratia,
Director and Principal Investigator MIE Project, Universidad Metropolitana, P.O. Box 21150, San Juan, Puerto Rico, 00928-21150 |
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